Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
hieu nganh » vien nganh, hiem ngan, hieu manh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien nhanh) or (hieu nganh)) - thanh trung cua dung cong tan thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hieu nganh)) - thanh trung cua dung cong tan thanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (hieu nganh)) - thanh trung cua dung cong tan thanh cau*.